Finding the Fourth Proportional to 30,594.65, 42,141.94 and 21,626.73

Step by Step Solution

1. Step 1: Write the proportion equation
   30,594.65 : 42,141.94 = 21,626.73 : x
2. Step 2: Convert to fraction form
   30,594.65/42,141.94 = 21,626.73/x
3. Step 3: Cross multiply
   30,594.65x = 42,141.94 × 21,626.73
4. Step 4: Simplify right side
   30,594.65x = 911,392,385.09
5. Step 5: Solve for x
   x = 911,392,385.09/30,594.65
6. Step 6: Final answer
   x = 29,789.28